r 
CRYPTOGAMiA FILICES. Aspidium. 663 
Polypodiiim Filix mas. Sp. pL 1551. 
Polystichum Filix mas. Roth.Jl. germ. 3. p. 82. 
Icon. Schkuhr filic. t. 44. Bolt.Jilic. t. 24. Moris, hist. 3. 
s. 14. t. 3.f. 6. 
jS.A. pinnulis eroso-serratis remotioribus. — Schkuhr Jilic. erosum. 
t. 45. 
In shady pine forests : New Jersey to Virginia. /3. in 
Carolina. 7/. July. v. v. From two to three feet 
high j the leaflets are more obtuse, and more fre- 
quently doubly serrated, than in the European plant. 
10. A. frondibus bipinnatis, pinnulis linearibus pinnatifldo- intermedium, 
incisis, ^ laciniis apice submucronato-serratis, stipite pa- 
leaceo. WUld. sp. pi, 5. p, 262. 
In Pensylvania. Muhlenberg. 11. +. Resembles the 
following in several respects very much. 
1 1. A. frondibus bipinnatis, pinnulis oblongis decurrentibus spinulosum^ 
confluentibus inciso-dentatis, laciniis mucronato-serra- 
tis, stipite paleaceo, indusiis glandulosis. Willd. sp, 
pi 5. p. 262, 
Poly podium spinulosum. Retz. prodr. Ji. scand. n. 1295. 
Polypodium cristatum. Hoffrn.fi. germ. 2. p. 8. 
Polystichum spinosum. Roth, Ji. germ. 3. p.Q\. 
Icon. Schkuhr filic. t, 48. FL dan. 707 . Fr. Mill, 
icon. t. 2.f. 2. 
In shady woods, in fertile soil : Pensylvania to Virginia. 
11 . July. V. V. A large species. 
12. A. frondibus bipinnatis, pinnulis oblongis distinctis pin- dilatatum. 
natifido-incisis, laciniis mucronato-serratis, stipite pa- 
leaceo, indusiis laevibus. JFilld. sp. pi. 5. p. 263. 
Polypodium dilatatum. Hofim.fi. germ. 2. p. 7 . 
Polypodium aristatum. Villarsfi. delph. 3.p. 844. 
Polypodium cristatum, Huds. angi. 457- 
Polystichum multiflorum. Roik.fi. germ. 3.p. 87« 
Nephrodium cristatum. Mich.fi, amer. 2. p. 26g. 
Icon. Schkuhr filic. t. 47. Bolt, filic. t. 23, Fr. Mill, 
ic. t. 2.f. 4. Pluk. aim. t. 18\ . f. 2. 
> In shady rocky woods : Pensylvania and Virginia. 11. 
July. V. V. Resembles H. Filix femina-, it is larger, 
broader, and more compound in its leaves. 
Frondibus bipinnatis inplicato-pinnatisve ^ indusiis 
lateralibus. 
13. A. frondibus bipinnatis oblongo-lanceolatis, pinnulis op- bulbiferum, 
positis oblongis obtusis serratis, inferioribus pinnatifi- 
VOL. II. X 
